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Installation and connection
93
The water protection system
The Miele water protection system pro‐
tects all parts of the washing machine
from water damage.
The system consists of three main
components:
– the inlet hose
– the electronic unit and drainage and
overflow protection
– the drain hose
The Waterproof System (WPS)
3
5
4
2
1
6
a
Two solenoid valves
b
Double-skinned inlet hose
c
Sump
d
Float switch
e
Electronic unit
f
Drain pump
Inlet hose
– The casing on the inlet hose contains
two solenoid valves , which cut off
the water intake directly at the stop‐
cock. These valves provide two-fold
protection. In the event that one of
the valves is faulty, the other valve
will cut off the water intake.
Blocking the water intake at the stop‐
cock means that the inlet hose is on‐
ly under pressure whilst water is be‐
ing taken into the machine. For the
remainder of the time, pressure on
the inlet hose is negligible.
– Protection against the solenoid
valves bursting
The solenoid valves are pressure tes‐
ted to between 7,000 kPa and 10,000
kPa against bursting.
– The double-skinned inlet hose has
a pressure-resistant inner hose and a
protective sleeve. Any leaking water
is fed into the sump through this
protective sleeve. A float switch
closes the solenoid valves, prevent‐
ing any more water flowing into the
machine and water in the suds con‐
tainer is pumped away.